<!doctype html>
<html>
  <head>
    <title>Bug 1238660</title>
  </head>
  <body>
    <span>
      <div>
        <span></span>
      </div>
    </span>
    <style>
    span {
      animation: anim 0.1s 0.1s;
    }
    @keyframes anim { to { opacity:1 } }
    </style>
  </body>
</html>
